Welk getal ontbreekt t/m 40?

Aftrekken

Oefening 1
1.	36	-		=	26
2.	31	-		=	16
3.	39	-		=	17
4.	9	-		=	7
5.	40	-		=	32
6.	38	-		=	7
7.	40	-		=	17
8.	37	-		=	26
9.	30	-		=	22
10.	20	-		=	5

Oefening 2
1.	26	-		=	17
2.	13	-		=	1
3.	16	-		=	5
4.	37	-		=	17
5.	26	-		=	6
6.	27	-		=	8
7.	22	-		=	9
8.	24	-		=	18
9.	23	-		=	13
10.	39	-		=	5

Oefening 3
1.	27	-		=	22
2.	22	-		=	4
3.	22	-		=	10
4.	33	-		=	13
5.	18	-		=	14
6.	22	-		=	7
7.	37	-		=	30
8.	33	-		=	23
9.	29	-		=	3
10.	31	-		=	6

Oefening 4
1.	18	-		=	16
2.	27	-		=	9
3.	33	-		=	28
4.	34	-		=	17
5.	37	-		=	23
6.	34	-		=	15
7.	32	-		=	7
8.	13	-		=	12
9.	23	-		=	13
10.	28	-		=	12

Welk getal ontbreekt t/m 40?
| ANTWOORDEN

Aftrekken

Oefening 1
1.	36	-	10	=	26
2.	31	-	15	=	16
3.	39	-	22	=	17
4.	9	-	2	=	7
5.	40	-	8	=	32
6.	38	-	31	=	7
7.	40	-	23	=	17
8.	37	-	11	=	26
9.	30	-	8	=	22
10.	20	-	15	=	5

Oefening 2
1.	26	-	9	=	17
2.	13	-	12	=	1
3.	16	-	11	=	5
4.	37	-	20	=	17
5.	26	-	20	=	6
6.	27	-	19	=	8
7.	22	-	13	=	9
8.	24	-	6	=	18
9.	23	-	10	=	13
10.	39	-	34	=	5

Oefening 3
1.	27	-	5	=	22
2.	22	-	18	=	4
3.	22	-	12	=	10
4.	33	-	20	=	13
5.	18	-	4	=	14
6.	22	-	15	=	7
7.	37	-	7	=	30
8.	33	-	10	=	23
9.	29	-	26	=	3
10.	31	-	25	=	6

Oefening 4
1.	18	-	2	=	16
2.	27	-	18	=	9
3.	33	-	5	=	28
4.	34	-	17	=	17
5.	37	-	14	=	23
6.	34	-	19	=	15
7.	32	-	25	=	7
8.	13	-	1	=	12
9.	23	-	10	=	13
10.	28	-	16	=	12